[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

Nixon et al., 1983 - Google Patents

The recovery of radium and EDTA from radium leach solutions

Nixon et al., 1983

Document ID
15897892344302019341
Author
Nixon A
Keller D
Corsini A
Publication year
Publication venue
Hydrometallurgy

External Links

Snippet

The recovery of radium and EDTA from a leach solution used to extract radium from uranium mill solids is described. Ion-exchange is shown to effectively remove radium from the leach solutions. A relationship for the distribution of radium and other ions between the ion …
Continue reading at www.sciencedirect.com (other versions)

Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B60/00Obtaining metals of atomic number 87 or higher, i.e. radioactive metals
    • C22B60/02Obtaining thorium, uranium, or other actinides
    • C22B60/0204Obtaining thorium, uranium, or other actinides obtaining uranium
    • C22B60/0217Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes
    • C22B60/0221Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes by leaching
    • C22B60/0226Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes by leaching using acidic solutions or liquors
    • C22B60/0239Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes by leaching using acidic solutions or liquors nitric acid containing ion as active agent
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B60/00Obtaining metals of atomic number 87 or higher, i.e. radioactive metals
    • C22B60/02Obtaining thorium, uranium, or other actinides
    • C22B60/0204Obtaining thorium, uranium, or other actinides obtaining uranium
    • C22B60/0217Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes
    • C22B60/0252Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes treatment or purification of solutions or of liquors or of slurries
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B3/00Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/0004Treatment or purification of solutions, e.g. obtained by leaching
    • C22B3/0005Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds, e.g. acyclic or carbocyclic compounds, heterocyclic compounds, organo- metallic compounds, alcohols, ethers, or the like
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B3/00Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/04Extraction of metal compounds from ores or concentrates by wet processes by leaching
    • C22B3/16Extraction of metal compounds from ores or concentrates by wet processes by leaching in organic solutions
    • C22B3/1608Leaching with acyclic or carbocyclic agents
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B3/00Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/0004Treatment or purification of solutions, e.g. obtained by leaching
    • C22B3/0098Treatment or purification of solutions, e.g. obtained by leaching by ion exchange extraction or by adsorption on solid substances, e.g. by extraction with solid resins
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B3/00Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/20Treatment or purification of solutions, e.g. obtained by leaching
    • GPHYSICS
    • G21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21FPROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F9/00Treating radioactively contaminated material; Decontamination arrangements therefor
    • G21F9/04Treating liquids
    • G21F9/06Processing

Similar Documents

Publication Publication Date Title
Payne et al. Uranium adsorption on ferrihydrite-Effects of phosphate and humic acid
US5531970A (en) Metal and fluorine values recovery from mineral ore treatment
Miller et al. Selective solvation extraction of gold from alkaline cyanide solution by alkyl phosphorus esters
US4536034A (en) Method for immobilizing contaminants in previously leached ores
US5273725A (en) Metal and fluorine values recovery from mineral ore treatment
Nirdosh et al. Radium in uranium mill tailings-some observations on retention and removal
Allard et al. Possible retention of iodine in the ground
US5384105A (en) Metal and fluorine values recovery from mineral ore treatment
Nixon et al. The recovery of radium and EDTA from radium leach solutions
CA1241543A (en) Processes for extracting radium from uranium mill tailings
Du Preez A review of the industrial processes involving uranium-from the ore to the reactor
Nixon et al. Radium removal from Elliot Lake uranium-mill solids by EDTA leaching
US4454097A (en) Process of extracting both uranium and radium from uranium-containing ores
Tsivoglou et al. Waste guide for the uranium milling industry
US4431609A (en) Removal of radium from acidic solutions containing same by adsorption on coal fly ash
US4486390A (en) Regeneration of polythionate poisoned ion exchange resins used in uranium recovery
WO2021226661A1 (en) Method for separating radionuclides from ores, ore concentrates, and tailings
Phillips et al. The leaching of uranium ore with emphasis on the fate of radium
Landa Leaching of 226Ra from components of uranium mill tailings
Landa et al. Geochemical hosts of solubilized radionuclides in uranium mill tailings
Itzkovitch et al. Removal of radionuclides from process streams-a review
Millerl et al. Mercury control in the cyanidation of gold ores
Nirdosh Leaching of uranium and 226ra from low‐level radioactive waste from port hope, ontario
Ollila Dissolution of unirradiated UO {sub 2} fuel in synthetic groundwater. Final report (1996-1998)
Huck et al. Deposition of 226Ra on surfaces during precipitation and leaching of (Ba, Ra) SO4